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3,506 Results Found

  • Article
  • Open Access
56 Citations
8,935 Views
18 Pages

Anti-Tumor Effects of Vitamin B2, B6 and B9 in Promonocytic Lymphoma Cells

  • Kathleen Mikkelsen,
  • Monica D. Prakash,
  • Nyanbol Kuol,
  • Kulmira Nurgali,
  • Lily Stojanovska and
  • Vasso Apostolopoulos

Chronic inflammation can lead to tumour initiation and progression. Vitamin B complex has the ability to regulate the immune response and, therefore, inflammation but many of the mechanistic and molecular processes involved in this regulation are sti...

  • Article
  • Open Access
2 Citations
2,512 Views
14 Pages

30 August 2024

Vitamin C (VC) and Vitamin B9 (VB9) are essential micronutrients integral to numerous biological functions and critical for maintaining human health. The rapid detection of these vitamins is important for verifying nutritional supplements and aiding...

  • Article
  • Open Access
13 Citations
2,869 Views
16 Pages

15 October 2022

The food industry has been expanding, and new vectors to entrap vitamins have been constantly investigated, aiming at versatile systems with good physico-chemical characteristics, low-cost production, high stability and the efficient release of activ...

  • Article
  • Open Access
5 Citations
9,082 Views
24 Pages

Vitamin D, B9, and B12 Deficiencies as Key Drivers of Clinical Severity and Metabolic Comorbidities in Major Psychiatric Disorders

  • Mélanie Faugere,
  • Éloïse Maakaron,
  • Vincent Achour,
  • Pierre Verney,
  • Christelle Andrieu-Haller,
  • Jade Obadia,
  • Guillaume Fond,
  • Christophe Lançon and
  • Théo Korchia

27 March 2025

Background/Objectives: Severe mental illnesses such as schizophrenia, major depressive disorder, and bipolar disorder are often accompanied by metabolic comorbidities. While the role of vitamins in physical health is well-established, their involveme...

  • Article
  • Open Access
23 Citations
6,926 Views
12 Pages

24 May 2016

Vitamin B9 or folic acid is an important food supplement with wide clinical applications. Due to its importance and its side effects in pregnant women, fast determination of this vitamin is very important. In this study we present a new fast and sens...

  • Article
  • Open Access
1,096 Views
19 Pages

29 August 2025

Amid the health-conscious consumption trend, functional foods rich in γ-aminobutyric acid (GABA) and vitamin B9 are gaining prominence. Foxtail millet, a traditional grain naturally abundant in these nutrients, faces quality assessment challeng...

  • Review
  • Open Access
9 Citations
4,721 Views
16 Pages

22 June 2023

Understanding the molecular mechanisms of neurological disorders is necessary for the development of personalized medicine. When the diagnosis considers not only the disease symptoms, but also their molecular basis, treatments tailored to individual...

  • Article
  • Open Access
34 Citations
8,622 Views
13 Pages

11 August 2018

To assess the association between intake of folate, vitamin B6, and vitamin B12 with hyperuricemia (HU) among adults from the United States (US), we extracted relevant data from 24,975 US adults aged 20–85 years from the National Health and Nutrition...

  • Article
  • Open Access
57 Citations
11,014 Views
17 Pages

Dietary Sources of Vitamin B-12 and Their Association with Vitamin B-12 Status Markers in Healthy Older Adults in the B-PROOF Study

  • Elske M. Brouwer-Brolsma,
  • Rosalie A. M. Dhonukshe-Rutten,
  • Janneke P. Van Wijngaarden,
  • Nikita L. van der Zwaluw,
  • Nathalie Van der Velde and
  • Lisette C. P. G. M. De Groot

14 September 2015

Low vitamin B-12 concentrations are frequently observed among older adults. Malabsorption is hypothesized to be an important cause of vitamin B-12 inadequacy, but serum vitamin B-12 may also be differently affected by vitamin B-12 intake depending on...

  • Article
  • Open Access
3,043 Views
12 Pages

Vitamin B1, B2, and B6 Intakes and Risk of Gastric Cancer: Findings from a Case-Control Study

  • Ngoan Tran Le,
  • Yen T.-H. Pham,
  • Huy Thanh Dang,
  • Linh Thuy Le,
  • Nhi Y.-N. Huynh,
  • Jennifer Cullen and
  • Hung N. Luu

18 December 2024

Background/Objectives: Gastric cancer is one of the leading malignancies worldwide. B vitamins play important roles in DNA synthesis and methylation because they are considered co-enzymes in one-carbon metabolism. There is inconclusive evidence regar...

  • Article
  • Open Access
32 Citations
6,746 Views
13 Pages

21 June 2017

Although vitamins play a major role in health, and their deficiency may be linked to symptoms of optic-nerve dysfunction, the association between serum vitamin levels and glaucoma in humans remains controversial. In this study, articles in the PubMed...

  • Article
  • Open Access
4 Citations
4,375 Views
16 Pages

Optimization of Vitamin B1, B2, and B6 Absorption in Nang Tay Dum Floating Rice Grains

  • Thi Thao Loan Nguyen,
  • Thi Mong Nghi Pham,
  • Thanh Binh Ho and
  • Binh Ly-Nguyen

23 August 2024

As reported by the FAO, in 2022, approximately 735 million people experienced undernourishment, underscoring the critical need for effective strategies to address micronutrient deficiencies. Among these strategies, the mass fortification of staple fo...

  • Article
  • Open Access
12 Citations
7,500 Views
15 Pages

25 July 2021

Water-soluble B vitamins participate in numerous crucial metabolic reactions and are critical for maintaining our health. Vitamin B deficiencies cause many different types of diseases, such as dementia, anaemia, cardiovascular disease, neural tube de...

  • Article
  • Open Access
21 Citations
10,652 Views
13 Pages

26 September 2018

The objective of this review is to provide an update on the effectiveness of oral and nasal vitamin B12 (cobalamin) treatment in gastrointestinal (GI) disorders. Relevant articles were identified by PubMed and Google Scholar systematic search, from J...

  • Article
  • Open Access
28 Citations
6,425 Views
11 Pages

27 May 2022

The evidence regarding the intake of dietary folate, vitamin B6, and vitamin B12 in relation to mortality in the general population is limited. This study aimed to examine the relationship between dietary intakes of folate, vitamin B6, and vitamin B1...

  • Article
  • Open Access
2 Citations
15,415 Views
17 Pages

27 May 2025

Background: Anxiety, stress, and sleep disturbances significantly affect overall health. Research suggests that vitamins B1 and B2 may play a role in mood regulation and neuroprotection. This study aimed to investigate the effects of vitamin B1 and B...

  • Article
  • Open Access
11 Citations
10,418 Views
17 Pages

Nutrition Assessment of B-Vitamins in Highly Active and Sedentary Women

  • Kathleen Woolf,
  • Nicole L. Hahn,
  • Megan M. Christensen,
  • Amanda Carlson-Phillips and
  • Christine M. Hansen

26 March 2017

Background: Female athletes and active women require adequate nutrition for optimal health and performance. Nutrition assessments are needed to identify potential nutrients of concern. Folate, vitamin B6, and vitamin B12 function in important pathway...

  • Review
  • Open Access
121 Citations
23,452 Views
15 Pages

12 December 2013

Vitamin B12 is a cofactor of methionine synthase in the synthesis of methionine, the precursor of the universal methyl donor S-Adenosylmethionine (SAMe), which is involved in different epigenomic regulatory mechanisms and especially in brain developm...

  • Article
  • Open Access
7 Citations
4,133 Views
11 Pages

25 November 2022

Background: This study evaluated the association between maternal B vitamins in early pregnancy and gestational diabetes mellitus (GDM) risk. Methods: A cohort of 1265 pregnant women was recruited at 8–15 weeks of gestation in 2021–2022 (...

  • Article
  • Open Access
10 Citations
6,197 Views
12 Pages

15 August 2018

Vitamin B12 (B12) is present in foods of animal origin, and vegans are encouraged to take supplements with synthetic B12 in order to ensure a sufficient uptake. Recent rat studies suggest that natural (hydroxo-B12, HO-B12) and synthetic (cyano-B12, C...

  • Article
  • Open Access
9 Citations
4,513 Views
20 Pages

Elevated Plasma Vitamin B12 in Patients with Hepatic Glycogen Storage Diseases

  • Julia Hinkel,
  • Johannes Schmitt,
  • Michael Wurm,
  • Stefanie Rosenbaum-Fabian,
  • Karl Otfried Schwab,
  • Donald W. Jacobsen,
  • Ute Spiekerkoetter,
  • Sergey N. Fedosov,
  • Luciana Hannibal and
  • Sarah C. Grünert

22 July 2020

Background: Hepatic glycogen storage diseases (GSDs) are inborn errors of metabolism affecting the synthesis or breakdown of glycogen in the liver. This study, for the first time, systematically assessed vitamin B12 status in a large cohort of hepati...

  • Review
  • Open Access
20 Citations
9,862 Views
21 Pages

Physiological Associations between Vitamin B Deficiency and Diabetic Kidney Disease

  • Henry H. L. Wu,
  • Thomas McDonnell and
  • Rajkumar Chinnadurai

The number of people living with chronic kidney disease (CKD) is growing as our global population continues to expand. With aging, diabetes, and cardiovascular disease being major harbingers of kidney disease, the number of people diagnosed with diab...

  • Article
  • Open Access
30 Citations
16,845 Views
13 Pages

Vitamin B12 Status and Optimal Range for Hemoglobin Formation in Elite Athletes

  • Jarosław Krzywański,
  • Tomasz Mikulski,
  • Andrzej Pokrywka,
  • Marcel Młyńczak,
  • Hubert Krysztofiak,
  • Barbara Frączek and
  • Andrzej Ziemba

9 April 2020

Background: Athletes and coaches believe in the ergogenic effect of vitamin B12 (which results from enhanced erythropoiesis) and they often insist on its unjustified supplementation. Therefore, our study aimed to assess the vitamin B12 status in Poli...

  • Article
  • Open Access
21 Citations
14,066 Views
12 Pages

16 September 2013

Vitamins B6, B12 and folate play crucial metabolic roles especially during the reproductive years for women. There is limited reporting of within-subject variability of these vitamins. This study aimed to determine the within and between subject vari...

  • Article
  • Open Access
24 Citations
12,099 Views
16 Pages

24 May 2021

Deficiency of vitamin B6 and vitamin B12, mostly in vegetarians, is found to be associated with depression and adverse neurological function. We investigated whether vitamin B6, B12, and folate have an effect on brain structure, especially among depr...

  • Article
  • Open Access
9 Citations
7,957 Views
24 Pages

22 March 2025

Peripheral neuropathy (PN) is a prevalent condition characterized by damage to peripheral nerves, often linked to risk factors such as diabetes. This condition results from various forms of neural damage, including injury to the cell body, axons, or...

  • Review
  • Open Access
154 Citations
29,755 Views
32 Pages

Vitamin B12: Unique Metalorganic Compounds and the Most Complex Vitamins

  • Lucio Randaccio,
  • Silvano Geremia,
  • Nicola Demitri and
  • Jochen Wuerges

30 April 2010

The chemistry and biochemistry of the vitamin B12 compounds (cobalamins, XCbl) are described, with particular emphasis on their structural aspects and their relationships with properties and function. A brief history of B12, reveals how much the effo...

  • Feature Paper
  • Article
  • Open Access
29 Citations
22,225 Views
14 Pages

Influences of Vitamin B12 Supplementation on Cognition and Homocysteine in Patients with Vitamin B12 Deficiency and Cognitive Impairment

  • Asako Ueno,
  • Tadanori Hamano,
  • Soichi Enomoto,
  • Norimichi Shirafuji,
  • Miwako Nagata,
  • Hirohiko Kimura,
  • Masamichi Ikawa,
  • Osamu Yamamura,
  • Daiki Yamanaka and
  • Yasunari Nakamoto
  • + 3 authors

2 April 2022

Vitamin B12 deficiency is associated with cognitive impairment, hyperhomocysteinemia, and hippocampal atrophy. However, the recovery of cognition with vitamin B12 supplementation remains controversial. Of the 1716 patients who visited our outpatient...

  • Article
  • Open Access
12 Citations
7,295 Views
13 Pages

Sleep Quality Is Associated with Vitamin B12 Status in Female Arab Students

  • Sara Al-Musharaf,
  • Alanoud Alabdulaaly,
  • Hanadi Bin Mujalli,
  • Hatoun Alshehri,
  • Hind Alajaji,
  • Rania Bogis,
  • Ruyuf Alnafisah,
  • Shaden Alfehaid,
  • Hala Alhodaib and
  • Nasser Al-Daghri
  • + 4 authors

Studies have explored how vitamin B12 status affects sleep among elders and children, but this remains to be investigated among young adults. We used the Pittsburgh Sleep Quality Index (PSQI) to assess the association between serum vitamin B12 and sl...

  • Review
  • Open Access
2,744 Views
22 Pages

Vitamin B12 is the common name for a group of cobalamins, which are cobalt corrines. Cobalamins are water-soluble B vitamins. Vitamin B12, as a coenzyme of various enzymes, is an essential component of many key metabolic processes in the body. Vitami...

  • Article
  • Open Access
12 Citations
3,847 Views
13 Pages

Vitamin B12 Status and Gut Microbiota among Saudi Females with Obesity

  • Sara Al-Musharaf,
  • Ghadeer S. Aljuraiban,
  • Lama Al-Ajllan,
  • Noura Al-Khaldi,
  • Esra’a A. Aljazairy,
  • Syed Danish Hussain,
  • Abdullah M. Alnaami,
  • Shaun Sabico and
  • Nasser Al-Daghri

11 December 2022

Previous studies have suggested that dietary habits and dysbiosis of gut microbiota contributed to obesity development. Vitamin B12 is produced by microbes; however, the relationships between vitamin B12, gut microbiome, and obesity are understudied....

  • Review
  • Open Access
59 Citations
10,718 Views
19 Pages

28 March 2022

Plasma homocysteine (HCY) is an established risk factor for cardiovascular disease CVD and stroke. However, more than two decades of intensive research activities has failed to demonstrate that Hcy lowering through B-vitamin supplementation results i...

  • Article
  • Open Access
11 Citations
5,133 Views
14 Pages

Prevalence and Risk Factors of Vitamin B12 Deficiency among Pregnant Women in Rural Bangladesh

  • Odunayo Ifeoluwa Sobowale,
  • Moududur Rahman Khan,
  • Anjan Kumar Roy,
  • Rubhana Raqib and
  • Faruk Ahmed

10 May 2022

Vitamin B12 deficiency is associated with an increased risk of pregnancy complications and adverse birth outcomes. However, data on vitamin B12 deficiency in pregnant Bangladeshi women are limited. This study examines vitamin B12 deficiency and margi...

  • Review
  • Open Access
1 Citations
6,758 Views
19 Pages

Vitamin B12 in Cancer Patients: Clinical Insights into Deficiency, Excess, Diagnosis, and Management

  • Małgorzata Osmola,
  • Martyna Tyszka,
  • Adam Jirka,
  • Olga Ciepiela,
  • Aleksandra Kapała,
  • Marco Vincenzo Lenti and
  • Tamara Matysiak-Budnik

17 October 2025

Vitamin B12 (cobalamin) is a critical micronutrient involved in hematopoiesis and neurological function. Its deficiency, commonly presenting with anemia and neurological symptoms, is particularly relevant in oncology. While anemia affects up to 60% o...

  • Article
  • Open Access
18 Citations
7,459 Views
16 Pages

Vitamin B12 Status in Pregnant Adolescents and Their Infants

  • Julia L. Finkelstein,
  • Ronnie Guillet,
  • Eva K. Pressman,
  • Amy Fothergill,
  • Heather M. Guetterman,
  • Tera R. Kent and
  • Kimberly O. O’Brien

13 February 2019

Vitamin B12 deficiency has been associated with increased risk of adverse pregnancy outcomes. Few prospective studies have investigated the burden or determinants of vitamin B12 deficiency early in life, particularly among pregnant adolescents and th...

  • Review
  • Open Access
127 Citations
44,358 Views
13 Pages

B Vitamins and Their Roles in Gut Health

  • Khandkar Shaharina Hossain,
  • Sathya Amarasena and
  • Shyamchand Mayengbam

B vitamins act as coenzymes in a myriad of cellular reactions. These include energy production, methyl donor generation, neurotransmitter synthesis, and immune functions. Due to the ubiquitous roles of these vitamins, their deficiencies significantly...

  • Article
  • Open Access
16 Citations
5,467 Views
12 Pages

Association between Vitamin B and Obesity in Middle-Aged and Older Chinese Adults

  • Yu Fu,
  • Zhanyong Zhu,
  • Zhaolan Huang,
  • Ruikun He,
  • Ying Zhang,
  • Yuanyuan Li,
  • Wei Tan and
  • Shuang Rong

17 January 2023

Objective: Previous studies have found that obese people have lower levels of vitamin B, but most have focused on obesity as defined by body mass index (BMI), and its relationship with other types of obesity is unclear. The aim of this study was to e...

  • Article
  • Open Access
6,053 Views
10 Pages

23 January 2025

Background/Objectives: Vitamins D and B12 play a crucial role in maintaining bone health, immune function, and neurological integrity. Combined deficiencies in these vitamins can lead to severe health consequences. Current treatment approaches, such...

  • Article
  • Open Access
28 Citations
75,300 Views
13 Pages

Prevalence and Indicators of Vitamin B12 Insufficiency among Young Women of Childbearing Age

  • Sara Al-Musharaf,
  • Philip G. McTernan,
  • Syed Danish Hussain,
  • Khalid Abdullah Aleisa,
  • Abdullah M. Alnaami,
  • Kaiser Wani,
  • Ponnusamy Saravanan and
  • Nasser Al-Daghri

Vitamin B12 insufficiency is a global health issue among women of childbearing age, yet few studies have investigated its prevalence and risk factors among healthy Middle Eastern populations. This cross-sectional study included 346 Saudi women aged 1...

  • Article
  • Open Access
97 Citations
12,432 Views
12 Pages

27 August 2015

B vitamins may correlate with Parkinson’s disease (PD) through regulating homocysteine level. However, there is no comprehensive assessment on the associations between PD and B vitamins. The present study was designed to perform a meta-analytic asses...

  • Review
  • Open Access
113 Citations
24,423 Views
18 Pages

Vitamin B6 is a cofactor for approximately 150 reactions that regulate the metabolism of glucose, lipids, amino acids, DNA, and neurotransmitters. In addition, it plays the role of antioxidant by counteracting the formation of reactive oxygen species...

  • Review
  • Open Access
18 Citations
14,490 Views
28 Pages

Emerging Roles of Vitamin B12 in Aging and Inflammation

  • Sergey Yu. Simonenko,
  • Daria A. Bogdanova and
  • Nikita A. Kuldyushev

Vitamin B12 (cobalamin) is an essential nutrient for humans and animals. Metabolically active forms of B12-methylcobalamin and 5-deoxyadenosylcobalamin are cofactors for the enzymes methionine synthase and mitochondrial methylmalonyl-CoA mutase. Malf...

  • Review
  • Open Access
229 Citations
39,940 Views
18 Pages

Vitamin B6: A Molecule for Human Health?

  • Hanjo Hellmann and
  • Sutton Mooney

20 January 2010

Vitamin B6 is an intriguing molecule that is involved in a wide range of metabolic, physiological and developmental processes. Based on its water solubility and high reactivity when phosphorylated, it is a suitable co-factor for many biochemical proc...

  • Review
  • Open Access
114 Citations
19,201 Views
17 Pages

B Vitamins, Homocysteine and Bone Health

  • Valentina Fratoni and
  • Maria Luisa Brandi

30 March 2015

Nutrition is one of the most important modifiable factors involved in the development and maintenance of good bone health. Calcium and Vitamin D have confirmed and established roles in the maintenance of proper bone health. However, other nutritional...

  • Feature Paper
  • Review
  • Open Access
367 Citations
48,972 Views
28 Pages

Vitamin B6 and Its Role in Cell Metabolism and Physiology

  • Marcelina Parra,
  • Seth Stahl and
  • Hanjo Hellmann

22 July 2018

Vitamin B6 is one of the most central molecules in cells of living organisms. It is a critical co-factor for a diverse range of biochemical reactions that regulate basic cellular metabolism, which impact overall physiology. In the last several years,...

  • Article
  • Open Access
3 Citations
3,272 Views
26 Pages

Studies on the Effects of Process Conditions on Separation of B1, B2 and B3 Vitamin Mixture Using HILIC and RPLC Chromatography

  • Marcin Chutkowski,
  • Piotr Ziobrowski,
  • Mateusz Przywara,
  • Justyna Kamińska and
  • Wojciech Zapała

In this work, a series of experiments on the retention of B1 (riboflavin), B2 (thiamine) and B3 (nicotinic acid) vitamins in the HILIC and RPLC conditions have been performed involving the effects of organic modifier type and content, pH of the eluen...

  • Article
  • Open Access
21 Citations
7,088 Views
22 Pages

Dietary Intake and Status of Vitamin B12 in Slovenian Population

  • Živa Lavriša,
  • Hristo Hristov,
  • Maša Hribar,
  • Katja Žmitek,
  • Anita Kušar,
  • Barbara Koroušić Seljak,
  • Matej Gregorič,
  • Urška Blaznik,
  • Nadan Gregorič and
  • Igor Pravst
  • + 3 authors

13 January 2022

Vitamin B12 deficiency poses a health concern, especially in vulnerable populations. Dietary vitamin B12 intake was obtained by two 24 h dietary recalls and food propensity questionnaires in a representative Slovenian cross-sectional food consumption...

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